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Shareholders' Equity and Capital Stock (Details Textual)
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6 Months Ended | 6 Months Ended | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Jun. 30, 2014
USD ($)
|
Jun. 30, 2013
USD ($)
|
Jun. 30, 2014
CAD
|
Dec. 31, 2013
|
Dec. 19, 2013
USD ($)
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Jun. 30, 2014
In Money Stock Option [Member]
USD ($)
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Jun. 30, 2014
Restricted Stock Units (Rsus) [Member]
USD ($)
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Jun. 30, 2014
Four and One-Half Months After Grant [Member]
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Jun. 30, 2014
Nine Months After Grant [Member]
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Jun. 30, 2014
Thirteen and One-Half Months After Grant [Member]
|
Jun. 30, 2014
Eighteen Months After Date Of Grant [Member]
|
Jun. 30, 2014
First Anniversary [Member]
Restricted Stock Units (Rsus) [Member]
|
Jun. 30, 2014
Second Anniversary [Member]
Restricted Stock Units (Rsus) [Member]
|
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| Stockholder's Equity Note [Line Items] | |||||||||||||
| Share-Based Compensation Arrangement By Share-Based Payment Award, Award Vesting Percentage | 10.00% | 22.00% | 22.00% | 22.00% | 24.00% | 50.00% | 50.00% | ||||||
| Share Price | 1.21 | $ 1.10 | |||||||||||
| Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Outstanding, Number | 8,153,094 | 9,273,659 | 5,930,353 | ||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number | 7,187,700 | 5,100,959 | |||||||||||
| Stock based compensation | $ 531,000 | $ 625,000 | |||||||||||
| Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Stock Options | 500,000 | ||||||||||||
| Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Share-based Awards Other than Options | 300,000 | ||||||||||||
| Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition | 10 months 24 days | 1 year 3 months 18 days | |||||||||||
| Proceeds from Stock Options Exercised | 879,000 | 0 | |||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value | $ 500,000 | ||||||||||||